CN113732626A - Manufacturing method of X-shaped waist cylindrical structure - Google Patents
Manufacturing method of X-shaped waist cylindrical structure Download PDFInfo
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- CN113732626A CN113732626A CN202110952086.8A CN202110952086A CN113732626A CN 113732626 A CN113732626 A CN 113732626A CN 202110952086 A CN202110952086 A CN 202110952086A CN 113732626 A CN113732626 A CN 113732626A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000011161 development Methods 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 claims abstract description 4
- 238000011960 computer-aided design Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a manufacturing method of an X-shaped waist cylindrical structure, which comprises the following steps of firstly, blanking a body and parts by using a numerical control cutting machine; when the groove is cut, the discontinuous cutting is carried out according to the requirements of a drawing and by paying attention to the bracket development diagram of the intersecting circular tube so as to reduce the deformation and correct the deformation; laying a horizontal jig frame, and assembling the distorted lumbar cylindrical body on the horizontal jig frame through positioning support; assembling intersecting circular pipe brackets at the upper end and the lower end in a lofting hanging vertical line mode; assembling intersecting corbels at the upper end and the lower end of the twisted lumbar column to two ends of the twisted lumbar column on a horizontal jig frame through positioning supports; assembling a BH bracket on the other side of the waist cylinder. The invention effectively reduces the welding difficulty and work, further reasonably improves the working efficiency, and has good economic and social benefits.
Description
Technical Field
The invention relates to the technical field of manufacturing of complex column structures, in particular to a manufacturing method of an X-shaped waist column structure.
Background
In recent years, with the continuous development of the building industry in China, higher requirements are put forward on the shape and the appearance of a high-rise building.
The engineering adopts a structural system of a reinforced concrete core tube and a steel frame, the steel frame is used as an exposed component and is an important part of the successful engineering modeling, and the lumbar column is used as an important conversion node and is the most important link of the successful modeling, so that the requirement on the manufacturing precision of the lumbar column node is high, and the difficulty is quite large. Through research on the subject, the recognition of the key difficulty of the steel structure of the type by each manufacturing unit can be improved, so that targeted adjustment and sufficient preparation can be made, and an idea is provided for manufacturing similar components by subsequent units.
In the published document CN201810448798, which is a method for manufacturing a special-shaped complicated queen-letter box-type column, although the column structure is also installed, the installation process is not simple enough, and when a bracket or a special-shaped plate is welded, a large amount of manpower and material resources are wasted for installing the special-shaped complicated-letter box-type column, so that the efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention discloses a manufacturing method of an X-shaped waist cylindrical structure, which effectively improves the installation efficiency of the cylindrical structure.
The technical scheme of the invention is as follows: a manufacturing method of an X-shaped lumbar column structure comprises the following steps:
step 1) firstly, blanking a body and parts by using a numerical control cutting machine; when the groove is cut, the discontinuous cutting is carried out according to the requirements of a drawing and by paying attention to the bracket development diagram of the intersecting circular tube so as to reduce the deformation and correct the deformation;
step 2) lofting the distorted lumbar cylinder through a CAD model of the lumbar cylinder, measuring and calculating a break angle of the special-shaped BH4, positioning the space size of the special-shaped BH by taking one special-shaped BH wing plate as a reference, establishing a matched horizontal jig frame by taking the space size as the reference, assembling and welding the horizontal jig frame through positioning support, simultaneously assembling transverse partition plates in the cylinder into the special-shaped BH, assembling the partition plates, and then assembling semicircles on two sides to form a lumbar cylinder body;
step 3) carrying out intermediate diameter expansion on the corbels of the intersecting circular pipes at the upper ends and the corbels of the intersecting circular pipes at the two ends of the corbels of the lower ends, processing and combining expansion graphs, coiling together, cutting off after coiling is finished, positioning the positions of quarter lines of the circular pipes through CAD (computer aided design), and respectively assembling the corbels of the intersecting circular pipes to the upper end plate and the lower end plate by using the quarter lines as the assembly reference of the circular pipes in a manner of utilizing a level gauge and hanging a vertical line;
step 4) positioning the three-dimensional coordinates of the outer contour of the lumbar cylinder body by using a CAD (computer aided design), placing the lumbar cylinder body on a horizontal jig frame by using a positioning support, adjusting the position of the lumbar cylinder body by using a total station to ensure accurate positioning of the lumbar cylinder body, and assembling an upper end intersecting circular tube bracket and a lower end intersecting circular tube bracket which are respectively provided with two ends of an upper end plate and a lower end plate to the upper end and the lower end of the lumbar cylinder body by using the positioning support respectively after the positioning of the lumbar cylinder body is completed;
and 5) deriving three-dimensional coordinates of upper and lower ports of the surrounding BH corbels through CAD software, and assembling the surrounding BH corbels on the waist cylindrical body by means of positioning support in a manner of drawing and hanging vertical lines.
A manufacturing method of an X-shaped lumbar cylinder structure comprises the steps of 2) lofting a distorted lumbar cylinder, measuring and calculating a break angle of an abnormal BH, wherein the abnormal BH comprises an abnormal BH wing plate and an abnormal BH web plate perpendicular to the middle part, positioning the space size of the abnormal BH by taking one of the abnormal BH wing plates as a reference, and establishing a matched horizontal jig frame by taking the space size as the reference.
A manufacturing method of an X-shaped waist cylindrical structure comprises the steps of 2) measuring three-dimensional coordinates of the outline of a distorted waist cylindrical body through CAD, placing a positioning support on a horizontal jig frame according to measured data, establishing a corresponding horizontal jig frame according to the coordinates, assembling a waist cylindrical body through the coordinates, placing special-shaped BH and the waist cylindrical body on the horizontal jig frame according to the position on a model, and adjusting in time if errors exist between the special-shaped BH and the waist cylindrical body and the support during installation.
A manufacturing method of an X-shaped lumbar column structure comprises the following steps of 3) carrying out middle diameter unfolding on an upper end intersecting circular tube bracket and a lower end intersecting circular tube bracket through rhinoceros software, placing the unfolded pictures on a steel plate after reasonable typesetting, marking off discontinuous cutting lines on the steel plate, placing the steel plate on a rolling machine after completion of the middle diameter unfolding, carrying out combined rolling, and then carrying out disconnection after completion of the rolling.
A manufacturing method of an X-shaped waist cylindrical structure comprises the steps that after corbels of intersecting circular tubes are assembled IN the step 4), the space size of a component is controlled through a total station and IN-ANALY precision analysis software, and if deviations exist, analysis is carried out IN time, and the components are modified.
A manufacturing method of an X-shaped waist cylindrical structure comprises the steps of after assembling surrounding BH brackets IN the step 5), utilizing a total station and IN-ANALY precision analysis software to carry out deviation analysis before welding and after welding on the space sizes of the surrounding BH brackets, and correcting IN time.
The invention has the advantages that: 1. according to the space size of each part of the X-shaped waist cylindrical structure, the space size is controlled through CAD, and the matched horizontal jig frame is established by utilizing three-dimensional coordinate values so as to meet the assembly requirements of the upper end and the lower end of the through circular tube corbels and the surrounding BH corbels and ensure the accuracy of parts in the space position of a component.
2. According to the invention, the upper end and the lower end of the through circular tube bracket are unfolded through the intermediate diameter of rhinoceros software, and are rolled, so that the material loss is reduced, the rolling efficiency is improved, meanwhile, the three-dimensional precision control work is carried out IN a mode of combining a level gauge, a total station, IN-ANALY precision analysis software and a hanging vertical line, and the generated deviation is analyzed and corrected IN time IN the process, so that the accurate installation and positioning of the component and high welding precision are ensured.
3. The invention also effectively ensures that the spatial position and the size of each part of the X-shaped waist cylindrical column can meet the requirement of drawing acceptance after welding through reasonable process requirements of distributed manufacture, integral assembly and the like. In addition, the invention effectively reduces the welding difficulty and work, further reasonably improves the working efficiency, and has good economic and social benefits.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
wherein: 1. the upper end penetrates through a round tube corbel, 2 the upper end plate, 3 the waist round column body, 4 special-shaped BH, 5 the surrounding BH corbel, 6 the lower end plate, 7 the lower end penetrates through the round tube corbel, 8 the horizontal jig frame, 9 the positioning support, 10 the special-shaped BH wing plate, 11 the special-shaped BH web plate, 12 the column inner diaphragm plate.
Detailed Description
For the purpose of enhancing an understanding of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, a method for manufacturing an X-shaped lumbar column structure includes the following steps:
1) firstly, blanking a body and parts by using a numerical control cutting machine; when the groove is cut, the discontinuous cutting is carried out according to the requirements of a drawing and by paying attention to the bracket development diagram of the intersecting circular tube so as to reduce the deformation and correct the deformation;
2) the method comprises the steps of lofting a distorted lumbar column through a CAD model of the lumbar column, measuring and calculating the break angle of a special BH4, wherein the special BH4 comprises a special BH wing plate 11 and a special BH web plate 10 perpendicular to the middle part, positioning the space size of a special BH4 by taking one special BH wing plate 10 as a reference, establishing a matched horizontal jig 8 by taking the space size as the reference, measuring the three-dimensional coordinate of the outline of the distorted lumbar column through the CAD, placing a positioning support 9 on the horizontal jig 8 according to the measured data, establishing a corresponding horizontal jig 8 by taking the coordinate, assembling a lumbar column body 3 through the coordinate, placing the special BH4 and the lumbar column body 3 on the horizontal jig 8 according to the position on the model, adjusting the special BH4 and the lumbar column body 3 in time if errors exist between the special BH4 and the positioning support 9 during installation, assembling and welding the positioning support 9 on the horizontal jig 8, and simultaneously placing a transverse partition plate 12 in the column into a special BH4, after the assembly of the partition board is completed, the semi-circles on two sides are assembled to form a waist cylinder body, wherein three-dimensional coordinates of the outer contour of the twisted waist cylinder are measured through CAD, the positioning support 9 is arranged on the horizontal jig frame 8 according to measured data, the corresponding horizontal jig frame 8 is established according to the coordinates, the waist cylinder body 3 is assembled through the coordinates, the special-shaped BH4 and the waist cylinder body 3 are arranged on the horizontal jig frame 8 according to the position on a model, if errors exist between the special-shaped BH4 and the waist cylinder body 3 and the positioning support 9 during installation, adjustment is carried out in time, and the accuracy of parts in the space position of a component is guaranteed.
3) The upper end intersecting circular pipe bracket 1 and the lower end intersecting circular pipe bracket 7 are subjected to intermediate diameter expansion through rhinoceros software, an expanded picture is reasonably composed and then placed on a steel plate, intermittent cutting lines are marked on the steel plate, after the intermittent cutting lines are completed, the steel plate is placed on a rolling machine for combined rolling, and after the rolling is completed, the steel plate is cut off, so that the material loss is reduced, the rolling efficiency is improved, the position of a quarter line of the circular pipe is positioned through CAD, and the intersecting circular pipe brackets are respectively assembled to the upper end plate 2 and the lower end plate 6 by taking the quarter line as the assembly reference of the circular pipe and utilizing a level gauge and a hanging line;
4) positioning the outline three-dimensional coordinates of the lumbar cylinder body 3 by using CAD, placing the lumbar cylinder body 3 on a horizontal jig 8 by using a positioning support, controlling the space size of a component through a total station and IN-ANALY precision analysis software, analyzing IN time if a deviation exists, and modifying to ensure that the lumbar cylinder body 3 is accurately positioned, and assembling an upper end intersecting circular tube bracket 1 and a lower end intersecting circular tube bracket 7 which are respectively provided with two ends of an upper end plate 2 and a lower end plate 6 to the upper end and the lower end of the lumbar cylinder body 3 through the positioning support 9 after the lumbar cylinder body 3 is positioned;
5) three-dimensional coordinates of upper and lower ports of the surrounding BH bracket 5 are derived through CAD software, the surrounding BH bracket 5 is assembled to the waist-cylindrical body 3 through a line drawing and vertical line hanging mode by using a positioning support 9, and after the surrounding BH bracket 5 is assembled, deviation analysis before welding and after welding is carried out on the space size of the surrounding BH bracket 5 by using a total station and IN-ANALY precision analysis software, and correction is carried out IN time.
Claims (6)
1. A manufacturing method of an X-shaped lumbar column structure is characterized by comprising the following steps:
step 1) firstly, blanking a body and parts by using a numerical control cutting machine; when the groove is cut, the discontinuous cutting is carried out according to the requirements of a drawing and by paying attention to the bracket development diagram of the intersecting circular tube so as to reduce the deformation and correct the deformation;
step 2) lofting the distorted lumbar cylinder through a CAD model of the lumbar cylinder, measuring and calculating a break angle of the special-shaped BH4, positioning the space size of the special-shaped BH by taking one special-shaped BH wing plate as a reference, establishing a matched horizontal jig frame by taking the space size as the reference, assembling and welding the horizontal jig frame through positioning support, simultaneously assembling transverse partition plates in the cylinder into the special-shaped BH, assembling the partition plates, and then assembling semicircles on two sides to form a lumbar cylinder body;
step 3) carrying out intermediate diameter expansion on the corbels of the intersecting circular pipes at the upper ends and the corbels of the intersecting circular pipes at the two ends of the corbels of the lower ends, processing and combining expansion graphs, coiling together, cutting off after coiling is finished, positioning the positions of quarter lines of the circular pipes through CAD (computer aided design), and respectively assembling the corbels of the intersecting circular pipes to the upper end plate and the lower end plate by using the quarter lines as the assembly reference of the circular pipes in a manner of utilizing a level gauge and hanging a vertical line;
step 4) positioning the three-dimensional coordinates of the outer contour of the lumbar cylinder body by using a CAD (computer aided design), placing the lumbar cylinder body on a horizontal jig frame by using a positioning support, adjusting the position of the lumbar cylinder body by using a total station to ensure accurate positioning of the lumbar cylinder body, and assembling an upper end intersecting circular tube bracket and a lower end intersecting circular tube bracket which are respectively provided with two ends of an upper end plate and a lower end plate to the upper end and the lower end of the lumbar cylinder body by using the positioning support respectively after the positioning of the lumbar cylinder body is completed;
and 5) deriving three-dimensional coordinates of upper and lower ports of the surrounding BH corbels through CAD software, and assembling the surrounding BH corbels on the waist cylindrical body by means of positioning support in a manner of drawing and hanging vertical lines.
2. The method for manufacturing an X-shaped lumbar cylinder structure according to claim 1, wherein: and 2) lofting the distorted lumbar column in the step 2), and measuring and calculating the break angle of the special-shaped BH, wherein the special-shaped BH comprises special-shaped BH wing plates and a special-shaped BH web plate perpendicular to the middle part, the space size of the special-shaped BH is well positioned by taking one special-shaped BH wing plate as a reference, and a matched horizontal jig frame is established by taking the space size as the reference.
3. The method for manufacturing an X-shaped lumbar cylinder structure according to claim 1, wherein: and 2) measuring a three-dimensional coordinate of the outer contour of the distorted lumbar cylinder by CAD, placing the positioning support on a horizontal jig frame according to the measured data, establishing a corresponding horizontal jig frame according to the coordinate, assembling a lumbar cylinder body through the coordinate, and placing the special-shaped BH and the lumbar cylinder body on the horizontal jig frame according to the position on the model.
4. The method for manufacturing an X-shaped lumbar cylinder structure according to claim 1, wherein: and 3) carrying out intermediate diameter expansion on the middle-upper-end through circular tube corbels and the lower-end through circular tube corbels through rhinoceros software, arranging the expanded pictures on a steel plate after reasonable typesetting, marking off discontinuous cutting lines on the steel plate, arranging the steel plate on a rolling machine after completion of the layout, combining and rolling, and then disconnecting the steel plate after the rolling is completed.
5. The method for manufacturing an X-shaped lumbar cylinder structure according to claim 1, wherein: and 4) after the corbels of the intersecting circular tubes are assembled IN the step 4), controlling the space size of the component through a total station and IN-ANALY precision analysis software.
6. The method for manufacturing an X-shaped lumbar cylinder structure according to claim 1, wherein: and 5) after the surrounding BH corbels are assembled, performing pre-welding and post-welding deviation analysis on the space size of the surrounding BH corbels by using a total station and IN-ANALY precision analysis software, and correcting IN time.
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| CN202110952086.8A CN113732626B (en) | 2021-08-19 | 2021-08-19 | Manufacturing method of X-shaped waist cylindrical structure |
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| CN202110952086.8A CN113732626B (en) | 2021-08-19 | 2021-08-19 | Manufacturing method of X-shaped waist cylindrical structure |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260689A (en) * | 2008-04-22 | 2008-09-10 | 华南理工大学 | Steel tube concrete diagonal frame column spatial tubular joint and its manufacture method |
| CN104264789A (en) * | 2014-05-23 | 2015-01-07 | 浙江东南网架股份有限公司 | Novel connecting node of cross grid structure, special molding bed and preparation method thereof |
| CN204112245U (en) * | 2014-09-30 | 2015-01-21 | 长安大学 | The CFRP cloth reinforcing construction of steel girder bridge welded K-joint of steel tubular |
| CN104847020A (en) * | 2015-05-14 | 2015-08-19 | 浙江精工钢结构集团有限公司 | Limb type circular tube node transferring structure and manufacturing method thereof |
| CN105484368A (en) * | 2014-09-15 | 2016-04-13 | 上海宝冶集团有限公司 | Small angle crossing concrete-filled steel tube column internal stiffening tubular joint and making method thereof |
| CN108517960A (en) * | 2018-05-11 | 2018-09-11 | 中建钢构江苏有限公司 | One type rice font cross over transition connecting node production method |
| CN108581259A (en) * | 2018-05-11 | 2018-09-28 | 中建钢构江苏有限公司 | A kind of special-shaped complicated king's word turnning box type column production method |
| WO2020259597A1 (en) * | 2019-06-28 | 2020-12-30 | 比亚迪股份有限公司 | Rail support assembly and assembly method therefor, and rail and rail transit system |
-
2021
- 2021-08-19 CN CN202110952086.8A patent/CN113732626B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260689A (en) * | 2008-04-22 | 2008-09-10 | 华南理工大学 | Steel tube concrete diagonal frame column spatial tubular joint and its manufacture method |
| CN104264789A (en) * | 2014-05-23 | 2015-01-07 | 浙江东南网架股份有限公司 | Novel connecting node of cross grid structure, special molding bed and preparation method thereof |
| CN105484368A (en) * | 2014-09-15 | 2016-04-13 | 上海宝冶集团有限公司 | Small angle crossing concrete-filled steel tube column internal stiffening tubular joint and making method thereof |
| CN204112245U (en) * | 2014-09-30 | 2015-01-21 | 长安大学 | The CFRP cloth reinforcing construction of steel girder bridge welded K-joint of steel tubular |
| CN104847020A (en) * | 2015-05-14 | 2015-08-19 | 浙江精工钢结构集团有限公司 | Limb type circular tube node transferring structure and manufacturing method thereof |
| CN108517960A (en) * | 2018-05-11 | 2018-09-11 | 中建钢构江苏有限公司 | One type rice font cross over transition connecting node production method |
| CN108581259A (en) * | 2018-05-11 | 2018-09-28 | 中建钢构江苏有限公司 | A kind of special-shaped complicated king's word turnning box type column production method |
| WO2020259597A1 (en) * | 2019-06-28 | 2020-12-30 | 比亚迪股份有限公司 | Rail support assembly and assembly method therefor, and rail and rail transit system |
Non-Patent Citations (2)
| Title |
|---|
| 张菊花;胡海国;汤俊其;孔令峰;蒋斌;杭峰;范涛;付鹏;: "哈尔滨万达茂钢结构复杂X形节点制作技术", 施工技术, no. 24, pages 11 - 13 * |
| 沈李强;邓鹏明;刘代龙;阙子雄;陈辉;符方渠;: "空间超大型X钢管节点的制作及焊接工艺", 电焊机, no. 03, pages 24 - 30 * |
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